IR2277S IRF [International Rectifier], IR2277S Datasheet - Page 12
![no-image](/images/no-image-200.jpg)
IR2277S
Manufacturer Part Number
IR2277S
Description
Phase Current Sensor IC for AC motor control
Manufacturer
IRF [International Rectifier]
Datasheet
1.IR2277S.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IR2277SPBF
Manufacturer:
IR
Quantity:
20 000
12
Triangular
SYNC (0)
Dn =
PO
1
V
V
IN +
IN -
T
off
T
cycle
_
T
cycle
off_cycle1
1
2
H igh voltage
Cycle 1
T
cycle1
O ver current
detection
Figure 9: Over current block diagram
Dn =
2
Figure 8: PO Duty Cycle
T
T
off
T
off_cycle2
cycle
_
cycle
Cycle 2
2
T
3
cycle2
Low voltage
T
S
R
Dn =
off_cycle3
3
Cycle 3
T
D
cycle3
T
off
T
cycle
_
IR2277S/IR2177S(PbF)
cycle
3
4
T
V
O C
P O
off_cycle4
S S
supply
Cycle 4
E xt
www.irf.com